Affiliation: | 1. Department of Surgery, University of California-Los Angeles, Los Angeles, CA;2. Department of Surgery, Howard University College of Medicine, Washington, DC;3. Center for Surgical Trials and Outcomes Research, Johns Hopkins University School of Medicine, Baltimore, MD;4. Graduate Training Program in Clinical Investigation [GTPCI] at the Johns Hopkins Bloomberg School of Public Health, Baltimore, MD;5. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD |